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authorEduardo Valentin <edubezval@gmail.com>2016-11-08 08:08:55 +0300
committerZhang Rui <rui.zhang@intel.com>2016-11-23 05:06:12 +0300
commit6b885202d7c17157a44d5cb42793f795d6d7a58e (patch)
tree0da2e2247a5e3f85d02f61ebe984ea1b0c1efdaa /drivers/thermal/thermal_core.c
parent3d0055d2b252d9bbae8c064b37dd444b77f4c4c1 (diff)
downloadlinux-6b885202d7c17157a44d5cb42793f795d6d7a58e.tar.xz
thermal: core: split policy_store
Similarly to passive_store, policy_store now is split between thermal core data structure handling and sysfs handling. Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal/thermal_core.c')
-rw-r--r--drivers/thermal/thermal_core.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 4e315c979f89..23f138f7eb68 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -757,6 +757,28 @@ void thermal_zone_device_unbind_exception(struct thermal_zone_device *tz,
mutex_unlock(&thermal_list_lock);
}
+int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
+ char *policy)
+{
+ struct thermal_governor *gov;
+ int ret = -EINVAL;
+
+ mutex_lock(&thermal_governor_lock);
+ mutex_lock(&tz->lock);
+
+ gov = __find_governor(strim(policy));
+ if (!gov)
+ goto exit;
+
+ ret = thermal_set_governor(tz, gov);
+
+exit:
+ mutex_unlock(&tz->lock);
+ mutex_unlock(&thermal_governor_lock);
+
+ return ret;
+}
+
/* sys I/F for thermal zone */
#define to_thermal_zone(_dev) \
@@ -1001,27 +1023,16 @@ static ssize_t
policy_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- int ret = -EINVAL;
struct thermal_zone_device *tz = to_thermal_zone(dev);
- struct thermal_governor *gov;
char name[THERMAL_NAME_LENGTH];
+ int ret;
snprintf(name, sizeof(name), "%s", buf);
- mutex_lock(&thermal_governor_lock);
- mutex_lock(&tz->lock);
-
- gov = __find_governor(strim(name));
- if (!gov)
- goto exit;
-
- ret = thermal_set_governor(tz, gov);
+ ret = thermal_zone_device_set_policy(tz, name);
if (!ret)
ret = count;
-exit:
- mutex_unlock(&tz->lock);
- mutex_unlock(&thermal_governor_lock);
return ret;
}